diff --git a/projects/IoT.Shared/Areas/Admin/Controlls/DataController.cs b/projects/IoT.Shared/Areas/Admin/Controlls/DataController.cs
index c1c362ba..6fbc97c3 100644
--- a/projects/IoT.Shared/Areas/Admin/Controlls/DataController.cs
+++ b/projects/IoT.Shared/Areas/Admin/Controlls/DataController.cs
@@ -36,7 +36,7 @@ namespace IoT.Shared.Areas.Admin.Controlls
 
         public override IQueryable<Data> Query(PagedListModel<EditDataModel> model, IQueryable<Data> query)
         {
-            ViewData.SelectList(o => model.Query.NodeId.HasValue, () => this._ajax.GetNodeSelectList(model.Query.NodeId.Value));
+            ViewData.SelectList(o => model.Query.NodeId, () => this._ajax.GetNodeSelectList(model.Query.NodeId));
             ViewData.SelectList(o => model.Query.DeviceId, () => this._ajax.GetDeviceSelectList(model.Query.NodeId.Value, model.Query.DeviceId), model.Query.NodeId.HasValue);
             return query.WhereIf(model.Query.NodeId.HasValue, o => o.Device.NodeId == model.Query.NodeId.Value)
                 .WhereIf(model.Query.DeviceId.HasValue, o => o.DeviceId == model.Query.DeviceId.Value)
diff --git a/projects/WebMVC/wwwroot/css/site.css b/projects/WebMVC/wwwroot/css/site.css
index d956c1e4..a3ec4900 100644
--- a/projects/WebMVC/wwwroot/css/site.css
+++ b/projects/WebMVC/wwwroot/css/site.css
@@ -11,3 +11,6 @@
         background-color: #007bff;
     }
 
+.nav-treeview .nav-item{
+    padding-left:2em;
+}
\ No newline at end of file